199475985

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^2\times {\mathrm{599}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 321854400

約数和(自身を除く): 122378415

約数列:

[1, 3, 5, 15, 149, 447, 599, 745, 1797, 2235, 2995, 8985, 22201, 66603, 89251, 111005, 267753, 333015, 446255, 1338765, 13298399, 39895197, 66491995, 199475985]

約数ペア:

[(1, 199475985), (3, 66491995), (5, 39895197), (15, 13298399), (149, 1338765), (447, 446255), (599, 333015), (745, 267753), (1797, 111005), (2235, 89251), (2995, 66603), (8985, 22201)]